Claim the Rock Invitational
About this race
Join us for Claim the Rock Invitational in Larkspur, Colorado, United States on October 05, 2026.
Pick your distance
Running
Boys Middle School
Girls Middle School
Race-day daylight
We have no recorded weather for Larkspur yet, but sunrise and sunset follow from the venue and the date.
The sun rises at 6:59 AM and sets at 6:36 PM local time (MDT) in Larkspur on October 5, 2026 — 11h 36m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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Other races near Larkspur
Different organizers, within 40 miles, in the next three months
The Palmer Lake .5K (Yes "Point" 5)
Ymca Creepy Crawl 5K
Friday The 13K - Castle Rock Meet UP
Indian Creek Trail Runs
🏃 Plan Your Next Race in Larkspur
Find upcoming events by distance:
- Larkspur Running Calendar 2026 2 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 3 Larkspur events
Spotted something wrong? Tell us and we'll fix it.